WowAce

Shared handling of media data (fonts, sounds, textures, ...) between addons.

Provides access to all Portal and Teleport spells on right click of one button.

Display Cooldown Count of Spell Icon and Item

Arena unit frames

Restores access to removed interface options in Legion

Show item levels in the character frame

Show the appearance of an item when you mouse over it

Handy notes for your maps

Mapster's Minimap brother

Simple Map Mod

Collects Herbs, Mines, Gas Clouds, Archaeology, Treasure and Fishing locations and adds them to the worldmap and minimap

One large inventory.

Wowhead Data dump for GatherMate2

Database sharing module for GatherMate2

Modular casting bar.

Achievements

Shows you a much bigger icon selection frame

Food/water macro generator

Automatically turns on the combat log for selected instances

Shows your standings with the factions.